mm/slab: Sharing s_next and s_stop between slab and slub

This patch shares s_next and s_stop between slab and slub.

Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

3 files changed, 5 insertions, 12 deletions

diff --git a/mm/slab.c b/mm/slab.c
index c9b4da9..4a907a0 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -4438,16 +4438,6 @@ static int leaks_show(struct seq_file *m, void *p)
 	return 0;
 }
 
-static void *s_next(struct seq_file *m, void *p, loff_t *pos)
-{
-	return seq_list_next(p, &slab_caches, pos);
-}
-
-static void s_stop(struct seq_file *m, void *p)
-{
-	mutex_unlock(&slab_mutex);
-}
-
 static const struct seq_operations slabstats_op = {
 	.start = leaks_start,
 	.next = s_next,
diff --git a/mm/slab.h b/mm/slab.h
index f96b49e..95c8860 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -271,3 +271,6 @@ struct kmem_cache_node {
 #endif
 
 };
+
+void *s_next(struct seq_file *m, void *p, loff_t *pos);
+void s_stop(struct seq_file *m, void *p);
diff --git a/mm/slab_common.c b/mm/slab_common.c
index d2517b0..68518eb 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -529,12 +529,12 @@ static void *s_start(struct seq_file *m, loff_t *pos)
 	return seq_list_start(&slab_caches, *pos);
 }
 
-static void *s_next(struct seq_file *m, void *p, loff_t *pos)
+void *s_next(struct seq_file *m, void *p, loff_t *pos)
 {
 	return seq_list_next(p, &slab_caches, pos);
 }
 
-static void s_stop(struct seq_file *m, void *p)
+void s_stop(struct seq_file *m, void *p)
 {
 	mutex_unlock(&slab_mutex);
 }